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A kind of production method of bridge repair concrete

A production method and concrete technology, applied in bridge maintenance, bridge, bridge construction, etc., can solve the problems of lack of repair agent and single effect of repair agent, and achieve the effect of improving quality, saving resources and prolonging service life

Active Publication Date: 2021-05-25
CHINA RAILWAY 11TH BUREAU GRP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, due to the different damage conditions of bridges and even multiple defects, the existing repairing agents have a single effect.
Therefore, for the problems referred to above, there is a lack of an effective repairing agent and a method for producing the repairing agent

Method used

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  • A kind of production method of bridge repair concrete
  • A kind of production method of bridge repair concrete
  • A kind of production method of bridge repair concrete

Examples

Experimental program
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Effect test

Embodiment

[0041] like figure 1 As shown, the production steps of the concrete for bridge repair of the present invention mainly include a concrete component configuration step, a mixer stirring step, mixing the stirred concrete with corresponding components or structures to obtain an expanded concrete layer, a reinforced concrete layer and a water reducer layer steps.

[0042] Specifically, concrete configuration steps include raw material pretreatment, mix ratio evaluation, mix ratio optimization, and determination of complex components.

[0043] Among them, the evaluation of the mix ratio includes the analysis of the performance and cost accounting of the concrete formed by the current components. Mix ratio optimization includes: if at least one of the performance and cost of the concrete formed by the current components does not meet the preset conditions, readjust the distribution ratio of each component and re-evaluate the mix ratio; if the performance and cost of the concrete for...

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Abstract

The invention discloses a production method of concrete for bridge repair and relates to the field of bridge repair. The method comprises the steps of configuring concrete, adding the compound into a mixer for stirring treatment, processing steel bars, forming a reinforced concrete layer, obtaining an expanded concrete layer and obtaining a water reducer layer. The present invention disperses and adds steel fibers in the process of producing the concrete for bridge repair, so that the steel fibers are evenly distributed in the concrete and improves the performance of the concrete; the concrete structure produced by the production method of the concrete for bridge repair according to the present invention , can effectively maintain and repair the bridge.

Description

technical field [0001] The invention relates to the field of bridge repairs, in particular to a method for producing concrete for bridge repairs. Background technique [0002] Due to the rapid development of the economy, the traffic load is increasing; the driving density of vehicles is increasing, and the load tonnage of vehicles is gradually increasing. Due to historical reasons, the load capacity, length, and width of the original bridges cannot meet the needs of traffic; at the same time, due to the increase in traffic flow, many bridges that have not yet reached the design life have appeared in various degrees. damage, endangering traffic safety. [0003] In response to these problems, it is necessary to maintain the bridge on the existing basis, including measures such as reinforcement, repair, growth, and widening. [0004] However, due to the different damage conditions of bridges and even multiple defects, the existing repairing agents have a single effect. There...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B28C5/00B28C5/38B28C5/40B28B23/02B28B1/16C04B28/00E01D22/00
CPCB28B1/16B28B23/02B28C5/003B28C5/006B28C5/388B28C5/402C04B28/00E01D22/00C04B14/06C04B2103/302
Inventor 何超张军林王晓军贾英王闯
Owner CHINA RAILWAY 11TH BUREAU GRP
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